COMMONLY PRESCRIBED MEDICATIONS IN THE ELDERLY & THEIR COMPLICATIONS
COMMONLY PRESCRIBED MEDICATIONS IN THE ELDERLY & THEIR COMPLICATIONS
Donna M Boreen PharmD December 10th, 2015
Confidential and proprietary.
Blue Cross? and Blue Shield? of Minnesota and Blue Plus? are nonprofit independent licensees of the Blue Cross and Blue Shield Association.
OBJECTIVES
? How common in the elderly is complications from drugs?
? Why is it so challenging to prescribe to the elderly?
? What is cascading? ? List one drug/drug class which is considered
inappropriate for use in the elderly and their alternatives. ? What can you do to help?
Confidential and proprietary.
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Confidential and proprietary.
HOW COMMON IS POLYPHARMACY IN ELDERLY?
? How many meds do the elderly use*:
? 81% use at least 1 medication ? 50% use more than 5 medications ? 46% also use OTCs
? Frequency of Adverse Drug Reactions:
? Outpatients 10 ? 35% ? Post Discharge ? 15% ? Hospital ? 6.7%
? 72% of adverse drug events (ADEs) in primary care and 42% of ADEs in long-term care are preventable.
? Potentially Inappropriate Medications: 7.2 billion ? 4th or 5th most common cause of death
*N Engl J Med 2004; 351:2870
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WHY IS POLYPHARMACY SUCH AN ISSUE WITH THE ELDERLY?
? Premarketing drug trials often exclude geriatric patients
? Approved doses may not be appropriate for older adults
? Kidney function declines ? Drug clearance declines ? Toxic metabolites increase ? Protein levels change = more "free drug" ? More fat = change in kinetics of drug clearance ? Multiple illnesses mean multiple medications ? Multiple meds = multiple drug interactions
Confidential and proprietary.
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Confidential and proprietary.
PRESCRIBING CASCADE
Prescribing cascades occur when a new drug is prescribed to treat symptoms arising from an unrecognized adverse drug event related to an existing therapy. Then patient is at risk for developing additional Adverse drug events
Confidential and proprietary.
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Confidential and proprietary.
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